From owner-freebsd-current@FreeBSD.ORG Wed Mar 1 22:06:56 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8202316A420 for ; Wed, 1 Mar 2006 22:06:56 +0000 (GMT) (envelope-from mikej@rogers.com) Received: from smtp105.rog.mail.re2.yahoo.com (smtp105.rog.mail.re2.yahoo.com [206.190.36.83]) by mx1.FreeBSD.org (Postfix) with SMTP id A99E743D46 for ; Wed, 1 Mar 2006 22:06:55 +0000 (GMT) (envelope-from mikej@rogers.com) Received: (qmail 73092 invoked from network); 1 Mar 2006 22:06:54 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=rogers.com; h=Received:Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=y9bFnw9TVlSTzKFczqNSjggHhg6i6V6JxrGZ12xJ6TISLJQ28+fSib88PYWcqsn1n62IlfYe1tLaKTIbW48wGobpjmUPVrUO1cL+b4NeLioGelBG3kL0qOYWBgo5Usw0CbYmCGUAszoJvFIXCPpbWmdNZ+eP5+FDqSVVbeewnbg= ; Received: from unknown (HELO ?70.31.50.218?) (mikej@rogers.com@70.31.50.218 with plain) by smtp105.rog.mail.re2.yahoo.com with SMTP; 1 Mar 2006 22:06:54 -0000 Message-ID: <44061AFC.4080109@rogers.com> Date: Wed, 01 Mar 2006 17:06:52 -0500 From: Mike Jakubik User-Agent: Thunderbird 1.5 (Windows/20051201) MIME-Version: 1.0 To: John Baldwin References: <4405E745.9040604@rogers.com> <200603011357.12175.jhb@freebsd.org> In-Reply-To: <200603011357.12175.jhb@freebsd.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org Subject: Re: Still seeing "calcru: runtime went backwards" messages X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Mar 2006 22:06:56 -0000 John Baldwin wrote: > On Wednesday 01 March 2006 13:26, Mike Jakubik wrote: > >> FYI, I just did a fresh cvsup and buildworld yesterday night, and i am >> still getting the clacru messages: >> >> Mar 1 02:41:37 fbsd kernel: calcru: runtime went backwards from 32465 >> usec to 32464 usec for pid 490 (sh) >> Mar 1 02:41:37 fbsd kernel: u 0:0/0 s 1:32465/32464 i 0:0/0 >> Mar 1 02:41:37 fbsd kernel: calcru: runtime went backwards from 17198 >> usec to 17197 usec for pid 318 (devd) >> Mar 1 02:41:37 fbsd kernel: u 0:0/0 s 2:17198/17197 i 0:0/0 >> Mar 1 02:45:45 fbsd kernel: calcru: runtime went backwards from 3403872 >> usec to 3403870 usec for pid 722 (perl5.8.8) >> Mar 1 02:45:45 fbsd kernel: u 367:2852102/2852101 s 71:551769/551768 i >> 0:1/1 >> Mar 1 02:45:45 fbsd kernel: calcru: runtime went backwards from 5135265 >> usec to 5135263 usec for pid 1 (init) >> Mar 1 02:45:45 fbsd kernel: u 298:2383658/2383657 s 344:2751606/2751605 >> i 0:1/1 >> > > Try this fix for one. It fixes the case that once time goes backward once > we keep using the last known time rather than using the new shorter time: > > Index: kern_resource.c > =================================================================== > RCS file: /usr/cvs/src/sys/kern/kern_resource.c,v > retrieving revision 1.156 > diff -u -r1.156 kern_resource.c > --- kern_resource.c 22 Feb 2006 16:58:48 -0000 1.156 > +++ kern_resource.c 22 Feb 2006 17:00:38 -0000 > Still seeing them: Mar 1 17:04:27 fbsd kernel: calcru: runtime went backwards from 6995 usec to 6994 usec for pid 662 (perl) Mar 1 17:04:27 fbsd kernel: calcru: runtime went backwards from 31894 usec to 31893 usec for pid 491 (sh) Mar 1 17:04:27 fbsd kernel: calcru: runtime went backwards from 1229911 usec to 1229878 usec for pid 30 (pagezero) Mar 1 17:04:27 fbsd kernel: calcru: runtime went backwards from 21876 usec to 21875 usec for pid 15 (swi5: +) Mar 1 17:04:27 fbsd kernel: calcru: runtime went backwards from 6995 usec to 6994 usec for pid 662 (perl) Mar 1 17:04:27 fbsd kernel: calcru: runtime went backwards from 31894 usec to 31893 usec for pid 491 (sh) Mar 1 17:04:27 fbsd kernel: calcru: runtime went backwards from 1229911 usec to 1229878 usec for pid 30 (pagezero) Mar 1 17:04:27 fbsd kernel: calcru: runtime went backwards from 21876 usec to 21875 usec for pid 15 (swi5: +) Its odd, because they only seem to appear about 2 minutes after the system is booted, and then its quiet.